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【单选题】
陈老师在讲二氧化碳性质时,讲台上放着两瓶没有标签的无色气体,其中一瓶是二氧化碳,一瓶是空气,怎么区分它们呢?陈老师边说燃烧的木条分别深入两个集气瓶中,告诉学生,是木条熄灭的是二氧化碳,使木条继续燃烧的是空气,这种教学方法是
A.
实验法
B.
讲授法
C.
演示法
D.
谈话法
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参考答案：
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【单选题】听力原文：W: Hi, Bill. M: Hi, Levin. W: How about going to movie? M: I'll be glad to. When will the film start? W: It starts at ten to ten. M: We still have ten minutes. Let's have a drink first. W: O.K. W...
A.
10:00
B.
9:40
C.
10:10
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【单选题】垂直干线子系统由( )的引入口之间的连接线缆组成。
A.
设备间与工作间
B.
设备间或管理区与水平子系统
C.
工作间与水平子系统
D.
建筑群子系统与水平子系统
查看完整题目与答案
【单选题】I will discuss this question with you when we ____ next time.
A.
met
B.
meet
C.
wil meet
D.
have met
查看完整题目与答案
【单选题】Scientists have come up with a theory for why time flies when you are having fun and drags when you are bored. Scans have shown that【C1】______ of activity in the brain change depending on how we focus...
A.
panels
B.
patents
C.
patterns
D.
partitions
查看完整题目与答案
【简答题】Everyone likes living in a clean and comfortable environment. If the envionment(环境) is bad, it will affect（影响）our bodies, and make us not feel well. Sometimes we may be terribly ill. At that time we d...
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【简答题】Directions: Complete the following summary of the passage by choosing proper words you’ve learned in the passage to fill in each blank. Change the form if necessary. City-states in ancient Greece ofte...
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【判断题】Athenians in ancient Greece had more freedom than Spartans.
A.
正确
B.
错误
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【单选题】- What time shall we leave for the airport? - It's foggy today. I'm not sure __________ be closed soon. Let's go now.
A.
whether the highway wil
B.
whether will the highway
C.
when the highway will
D.
when will the highway
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【简答题】What can we infer from the conversation? [A] The man won't have the meeting. [B] The man will go to the meeting whether the time is changed or not. [C] The man will go for a meeting any day. [D] Any m...
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【单选题】()成为西方工业发展的最大驱动力取决于西方文化中的征服精神。
A.
轻工业
B.
重工业
C.
军事工业
D.
制造业
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Hi, Bill. M: Hi, Levin. W: How about going to movie? M: I'll be glad to. When will the film start? W: It starts at ten to ten. M: We still have ten minutes. Let's have a drink first. W: O.K. W...
A.
10:00
B.
9:40
C.
10:10
查看完整题目与答案
【单选题】垂直干线子系统由( )的引入口之间的连接线缆组成。
A.
设备间与工作间
B.
设备间或管理区与水平子系统
C.
工作间与水平子系统
D.
建筑群子系统与水平子系统
查看完整题目与答案
【单选题】I will discuss this question with you when we ____ next time.
A.
met
B.
meet
C.
wil meet
D.
have met
查看完整题目与答案
【单选题】Scientists have come up with a theory for why time flies when you are having fun and drags when you are bored. Scans have shown that【C1】______ of activity in the brain change depending on how we focus...
A.
panels
B.
patents
C.
patterns
D.
partitions
查看完整题目与答案
【简答题】Everyone likes living in a clean and comfortable environment. If the envionment(环境) is bad, it will affect（影响）our bodies, and make us not feel well. Sometimes we may be terribly ill. At that time we d...
查看完整题目与答案
【简答题】Directions: Complete the following summary of the passage by choosing proper words you’ve learned in the passage to fill in each blank. Change the form if necessary. City-states in ancient Greece ofte...
查看完整题目与答案
【判断题】Athenians in ancient Greece had more freedom than Spartans.
A.
正确
B.
错误
查看完整题目与答案
【单选题】- What time shall we leave for the airport? - It's foggy today. I'm not sure __________ be closed soon. Let's go now.
A.
whether the highway wil
B.
whether will the highway
C.
when the highway will
D.
when will the highway
查看完整题目与答案
【简答题】What can we infer from the conversation? [A] The man won't have the meeting. [B] The man will go to the meeting whether the time is changed or not. [C] The man will go for a meeting any day. [D] Any m...
查看完整题目与答案
【单选题】()成为西方工业发展的最大驱动力取决于西方文化中的征服精神。
A.
轻工业
B.
重工业
C.
军事工业
D.
制造业
查看完整题目与答案
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